#include<stdio.h>

#include<stdlib.h>

int main()

{

int *p,i,n,sum=0;

p=(int*)malloc(12);

scanf("%d",&n);

for(i=0;i<n;i++)

{

scanf("%d",(p+i));

sum=sum+*(p+i);

}

printf("%d",sum);

free(p);

return 0;

}